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Amrendra Singh
Amrendra Singh

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How to Install and Set PATH for Java

#java #ai #springboot #oracle

1). For Windows

Step 1: Download Java

  • Visit the Java Download Page: Link

  • Select the Latest Java Development Kit (JDK)[JDK 25]LTS for Windows.

  • Download the installer (.exe file).

Step 2: Install Java

  • Run the Downloaded .exe file.
  • Follow the installation wizard steps: Accept the license agreement. Choose an installation directory (default is usually fine).
  • Click Finish

Step 3: Set the PATH Environment Variable

  • Open the Start Menu and Search for Environment Variables
  • Click Edit the system environment variables.
  • In the System Properties window, Click the Environment Variables button.
  • Under System Variables, find and select the Path variable, then click Edit. If not available create one
  • Add the following to the list of paths: C:\Program Files\Java\jdk<version>\bin (Replace <version> with the installed JDK version number).
  • Click OK to save changes.

Step 4: Verify Installation.

  • Open Command Prompt.
  • Run the command: java -version

If Java is installed correctly, it will display the installed version.

2). For macOS

Step 1: Download Java

  • Visit the Java Download page: Link
  • Select the latest JDK for macOS.
  • Download the .dmg file.

Step 2: Install Java

  • Open the downloaded .dmg file.
  • Follow the installation prompts:
  • Drag the Java installer to the Applications folder.
  • Once the installation is complete, Java will be installed in /Library/Java/JavaVirtualMachines/.

Step 3: Set the PATH Environment Variable

  • Open the Terminal application.
  • Edit the ~/.zshrc or ~/.bash_profile file (depending on your shell): nano ~/.zshrc
  • Add the following line at the end of the file: export PATH=$PATH:/Library/Java/JavaVirtualMachines/jdk <version>/Contents/Home/bin (Replace <version> with the installed JDK version).
  • Save the file and reload it: source ~/.zshrc

Step 4: Verify Installation

  • Open the Terminal.
  • Run the command: java -version

If Java is installed correctly, it will display the installed version.

3). For Linux

Step 1: Download Java

  1. Open your browser and visit the Java Download page: Link
  2. Select the latest JDK for Linux.
  3. Download the .tar.gz file.

Step 2: Install Java

  • Open the Terminal.
  • Navigate to the directory where the .tar.gz file was downloaded: cd /path/to/downloaded/file
  • Extract the file: tar -xvzf jdk-<version>.tar.gz
  • Move the extracted folder to /usr/local/: sudo mv jdk-<version> /usr/local/

Step 3: Set the PATH Environment Variable

  • Open the ~/.bashrc or ~/.zshrc file: nano ~/.bashrc
  • Add the following line at the end of the file: export PATH=$PATH:/usr/local/jdk-<version>/bin
  • Save the file and reload it: source ~/.bashrc

Step 4: Verify Installation

  • Open the Terminal.
  • Run the command: java -version

If Java is installed correctly, it will display the installed version.

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